CN112986864A - Method and system for detecting extension line of encoder - Google Patents
Method and system for detecting extension line of encoder Download PDFInfo
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- CN112986864A CN112986864A CN202110314192.3A CN202110314192A CN112986864A CN 112986864 A CN112986864 A CN 112986864A CN 202110314192 A CN202110314192 A CN 202110314192A CN 112986864 A CN112986864 A CN 112986864A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Abstract
The application discloses a method and a system for detecting an extension line of an encoder, wherein the method comprises the following steps: connecting two ends of the extension line of the encoder with the interfaces of the corresponding drivers respectively; inputting a control signal to a driver at the input end of the extension line of the encoder; receiving an output signal of the driver at an output end of the encoder extension line; judging the conducting state of the extension line of the encoder according to the output signal of the driver at the output end of the extension line of the encoder; through this application the scheme can realize the quick accurate detection of encoder extension line, has improved the detection efficiency of encoder extension line.
Description
Technical Field
The application relates to the field of extension lines of encoders, in particular to a detection method and a detection system for extension lines of encoders.
Background
The encoder extension line of directly driving the motor need detect the performance of encoder extension line before dispatching from the factory, but current detection to the encoder extension line needs artificial detection of a root to different encoder extension lines, the detection standard is also different, and the efficiency based on the detection method of current encoder extension line is not high, therefore, prior art still remains to be improved.
Disclosure of Invention
The purpose of this application is to improve the problem of the detection efficiency of encoder extension line.
The technical purpose of the application is realized by the following technical scheme: a method for detecting an extension line of an encoder comprises the following steps:
connecting two ends of the extension line of the encoder with the interfaces of the corresponding drivers respectively;
inputting a control signal to a driver at the input end of the extension line of the encoder;
receiving an output signal of the driver at an output end of the encoder extension line;
and judging the conduction state of the extension line of the encoder according to the output signal of the driver at the output end of the extension line of the encoder.
This application above-mentioned scheme, the encoder extension line both ends and the interface connection back of the driver that corresponds, through the driver input control signal to encoder extension line input to receive the output signal of the driver that the other end of encoder extension line is connected, judge the on-state of encoder extension line, the both ends that prolong the encoder extension line are connected with the driver, make things convenient for input control signal and receive feedback signal, the detection efficiency of encoder extension line has been improved.
Optionally, the method for detecting the extension line of the encoder further includes:
and correspondingly displaying the conducting state of the extension line of the encoder based on the acquired output signal of the driver at the output end of the extension line of the encoder.
According to the scheme, the on-state of the extension line of the encoder can be displayed according to the output signal of the driver at the output end of the extension line of the encoder, and a user can obtain a detection result in time.
Optionally, the method for detecting the encoder extension line, wherein the method for determining the conduction state of the encoder extension line according to the output signal of the driver at the output end of the encoder extension line includes:
when the output signal corresponds to the input signal of the driver at the input end of the encoder extension line, judging that the encoder extension line is conducted;
and when the output signal does not correspond to the input signal of the driver at the input end of the extension line of the encoder, judging that the extension line of the encoder has a fault.
According to the scheme, the output signal of the output end of the obtained encoder extension line is compared with the input signal of the driver of the input end, when the output signal of the output end of the encoder extension line corresponds to the input signal of the driver of the input end, the encoder extension line is indicated to be conducted, when the input signal and the output signal do not correspond to each other, the encoder extension line is indicated to be failed, and the detection of the conduction state of the encoder extension line is facilitated.
Optionally, the method for detecting an encoder extension line, wherein when the output signal does not correspond to an input signal of a driver at an input end of the encoder extension line, the method for determining that the encoder extension line has a fault further includes:
and when the driver at the output end of the extension line of the encoder does not acquire the output signal, judging that the extension line of the encoder is short-circuited.
According to the scheme, when the extension line of the encoder is judged to have a fault, whether the driver of the output end of the extension line of the encoder has an output signal or not is judged, if the driver does not have the output signal, the driver does not receive the signal output by the extension line, the short circuit of the extension line is shown, and the abnormal state type of the extension line of the encoder can be further determined.
Optionally, the method for detecting the extension line of the encoder further includes:
and after the detection of one encoder extension line is finished, continuing to detect the next encoder extension line.
This application above-mentioned scheme can realize the detection of many encoders, finishes in the detection of a coding line extension line, can continue the detection of next encoder extension line, detects in batches, and is more high-efficient.
Optionally, the method for detecting the extension line of the encoder further includes:
the number of the encoder extension lines to be detected, the detection sequence of the encoder extension lines and the input control signals of different encoder extension lines are preset.
According to the scheme, in order to improve the efficiency of batch encoder extension line detection, the intelligent batch detection is realized through the quantity of the preset encoder extension lines, the detection sequence and the input control signals of different encoder extension lines, and the detection efficiency and the precision of the encoder extension lines are ensured.
Based on the above method, the present application further discloses a detection system for an extension line of an encoder, wherein the detection system comprises:
the two drivers are respectively connected with the two ends of the extension line of the encoder;
the PLC control module is connected with the two drivers;
the PLC control module comprises a PLC control module and a PLC control module,
the control signal sending unit is used for inputting a control signal to a driver at the input end of the extension line of the encoder;
a signal receiving unit for receiving an output signal of the driver at an output end of the encoder extension line;
and the judging unit is used for judging the conduction state of the extension line of the encoder according to the output signal of the driver at the output end of the extension line of the encoder.
According to the scheme, the two ends of the extension line of the encoder are connected through the two drivers respectively, the control signal sending unit of the PLC control module outputs a control signal to one of the drivers, the feedback signal of the other driver is received through the signal receiving unit, the conduction state of the extension line of the encoder is judged according to the feedback signal through the judging unit, the detection is convenient, and the detection efficiency is high.
Optionally, the detection system of the encoder extension line further includes:
and the display module is connected with the PLC control module and used for correspondingly displaying the conduction state of the extension line of the encoder based on the acquired output signal of the driver at the output end of the extension line of the encoder.
According to the scheme, the conduction state of the extension line of the encoder is displayed through the display module, and a user can obtain a detection result in time.
Optionally, the detection system of the encoder extension line, wherein the determining unit includes:
the first judgment subunit is used for judging that the extension line of the encoder is conducted when the output signal corresponds to the input signal of the driver at the input end of the extension line of the encoder;
the second judgment subunit is used for judging that the extension line of the encoder has a fault when the output signal does not correspond to the input signal of the driver at the input end of the extension line of the encoder;
in the second judging subunit, when the driver at the output end of the extension line of the encoder does not acquire the output signal, the short circuit of the extension line of the encoder is judged.
According to the scheme, the judging unit comprises a first judging subunit for judging conduction of the extension line of the encoder and a second judging subunit for judging faults of the extension line of the encoder, and the second judging subunit can also judge whether the faults of the extension line are short circuits or not, so that the detection efficiency and the precision of the extension line of the encoder are improved.
Optionally, the encoder extension line detection system, wherein the PLC module further includes:
and the setting unit is used for presetting the number of the encoder extension lines to be detected, the detection sequence of the encoder extension lines and input control signals of different encoder extension lines.
According to the scheme, the number of the extension lines of the encoder to be detected is preset through the setting unit. The input control signals corresponding to the detection sequence and different encoder extension lines can realize the detection of a plurality of encoder extension lines and the detection of the encoder extension lines of different models, thereby ensuring the detection precision.
In summary, the present application discloses a method and a system for detecting an extension line of an encoder, wherein the method includes: connecting two ends of the extension line of the encoder with the interfaces of the corresponding drivers respectively; inputting a control signal to a driver at the input end of the extension line of the encoder; receiving an output signal of the driver at an output end of the encoder extension line; judging the conducting state of the extension line of the encoder according to the output signal of the driver at the output end of the extension line of the encoder; through this application the scheme can realize the quick accurate detection of encoder extension line, has improved the detection efficiency of encoder extension line.
Drawings
FIG. 1 is a flow chart illustrating the steps of a method for detecting an extension of an encoder according to the present invention.
Fig. 2 is a flowchart of step S4 of the method for detecting an extended line of an encoder according to the present application.
FIG. 3 is a schematic diagram of a detection system of an extended line of an encoder according to the present application.
Fig. 4 is a block diagram of a judgment unit of a detection system of an extension line of an encoder according to the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The application discloses a detection method of an encoder extension line, which can detect the encoder extension line when leaving a factory, and refers to fig. 1, and for the step flow chart of the detection method of the encoder extension line, the method comprises the following steps:
s1, connecting two ends of an extension line of an encoder with interfaces of corresponding drivers respectively;
s2, inputting a control signal to a driver at the input end of the extension line of the encoder;
s3, receiving an output signal of a driver at the output end of the extension line of the encoder;
s4, judging the conduction state of the extension line of the encoder according to an output signal of a driver at the output end of the extension line of the encoder;
and S5, correspondingly displaying the conduction state of the extension line of the encoder based on the acquired output signal of the driver at the output end of the extension line of the encoder.
The detection method of the encoder extension line, based on the performance test of the encoder extension line, detect whether the performance of the encoder extension line is normal, the encoder extension line is mainly connected with the motor and the controller, and signal transmission is realized, therefore, in the embodiment of the application, when detecting the encoder extension line, firstly, two ends of the encoder extension line are respectively connected with the interfaces of the corresponding drivers, the number of the drivers is two, one end of the encoder extension line is connected with the DB15 socket of one driver, the other end of the encoder extension line is connected with the CN socket of the driver of the other driver, one end of the encoder extension line is defined as an input end, the other end of the corresponding encoder extension line is an output end, the input end of the encoder extension line receives a control signal, the output end of the encoder extension line outputs a control signal, when, the output signal of the driver of the output end of the encoder extension line is obtained through the driver input control signal of the input end of the encoder extension line, the conduction state of the encoder extension line is judged according to the output signal, and based on the conduction state of the encoder extension line, the conduction state of the encoder extension line is correspondingly displayed, and a user can check the detection result of the encoder extension line.
In the foregoing solution, the on-state of the extension line of the encoder is determined by obtaining an output signal of the driver, specifically, in this embodiment of the application, referring to fig. 2, which is a flowchart of step S4, the step of determining the on-state of the extension line according to the output signal of the driver includes:
s401, when the output signal corresponds to an input signal of a driver at the input end of an encoder extension line, judging that the encoder extension line is conducted;
s402, when the output signal does not correspond to the input signal of the driver at the input end of the extension line of the encoder, judging that the extension line of the encoder has a fault.
The output signal of the driver is a feedback signal after receiving the input signal of the driver at one end of the extension line of the encoder, therefore, the conduction state of the extension line of the encoder is judged mainly according to whether the output signal corresponds to the input signal, when the output signal corresponds to the input signal of the driver at the input end of the extension line of the encoder, the extension line of the encoder is conducted and is normal, and when the output signal does not correspond to the input signal of the driver at the input end of the extension line of the encoder, the extension line of the encoder is abnormal and has a fault, because the extension line of the encoder is used for transmitting the signal, if the encoder is conducted, the output signal of the driver should correspond to the input signal at the input end of the extension line of the encoder, and when the output signal does not correspond to the input signal, the extension line of the encoder has a fault, in the embodiment of the application, when the extension line of the encoder fails, a judgment is also made, and when the driver at the output end of the extension line of the encoder does not acquire the output signal, the extension line of the encoder is judged to be short-circuited. That is to say when the driver of encoder extension cord output end does not acquire output signal, indicate the encoder extension cord short circuit, and aforementioned scheme mentions, the encoder breaks down, but when short circuit again, probably there is the error in the encoder extension cord, and convenience of customers obtains the state of encoder extension cord and maintains etc..
Compared with the detection of the existing encoder extension line, the method is convenient to operate and visual, improves the detection efficiency of the encoder extension line, and can realize batch detection of a plurality of encoder extension lines in the embodiment of the application, so that the method further comprises the following steps:
and S6, after the detection of one encoder extension line is finished, continuing to detect the next encoder extension line.
In this application embodiment, can accomplish the detection of batch encoder extension line, after the step that the encoder extension line of each described in the aforesaid scheme is accomplished to the detection according to the aforesaid, can carry out the detection of the encoder extension line of next strip automatically, specific detection order to and control signal carries out according to the scheme that has set for in advance, consequently, in the embodiment of this application, the method still includes:
s0. the number of encoder extension lines to be tested, the order of testing of the encoder extension lines and the input control signals for the different encoder extension lines are preset.
In the embodiment of the application, when detecting the encoder extension line in batches, need acquire the model of the encoder extension line in batches earlier, quantity, it has different control signal to detect according to the model correspondence, detection order still need be formulated simultaneously to the detection of batch encoder extension line, when concrete implementation, detect according to preset's detection order, after accomplishing the detection of an encoder extension line, according to detection order, call the control command of next encoder extension line, output control signal is to the connection port of next encoder extension line, carry out the detection of next encoder extension line, after the detection of next encoder extension line is accomplished, continue to carry out the detection of next encoder extension line, the encoder extension line of up to this batch detects the completion totally.
The embodiment of the present application is based on the above method, and further discloses a detection system of an extension line of an encoder, referring to fig. 3, which is a schematic structural diagram of the system, and the system includes: two drivers 100 respectively connected to both ends of the encoder extension line 200;
a PLC control module 300 connected to the two drivers 100;
the PLC control module 300 includes a PLC control module,
a control signal transmitting unit 301 for inputting a control signal to the driver 100 at the input end of the encoder extension line 200;
a signal receiving unit 302 for receiving an output signal of the driver 100 at the output of the encoder extension line 200;
a judging unit 303, configured to judge a conducting state of the encoder extension line 200 according to an output signal of the driver 100 at an output end of the encoder extension line 200.
The system of the present application, the encoder extension line 200 is connected to two drivers 100 to realize the conduction of two drivers 100, the PLC module 300 is connected to two drivers 100 to output a control signal to one driver 100 and obtain an output signal of the driver 100 from the other driver 100, because two drivers 100 are connected through the encoder extension line 200, the conduction state of the encoder extension line 200 can be judged according to the output signal of the driver 100 at the output end of the encoder extension line 200, the PLC module 300 of the present application includes a control signal transmitting unit 301 for inputting a control signal to the driver 100 at the input end of the encoder extension line 200, a signal receiving unit 302 for receiving the output signal of the driver 100 at the output end of the encoder extension line 200, and a judging unit 303 for judging the conduction state of the encoder extension line 200 according to the output signal of the controller 100 at the output end of the encoder extension line 200, the specific steps of the above components for determining how to turn on the encoder extension line 200 have been described in detail in the foregoing method, so that they are not described herein,
in this application embodiment, in order to realize the visualization, the conducting state of encoder extension line 200 is after all invisible and unknown, and in this application embodiment, the system further includes: and the display module 400 is connected with the PLC control module 300, and is configured to correspondingly display the on state of the encoder extension line 200 based on the acquired output signal of the driver 100 at the output end of the encoder extension line 200. Through the display module 400, the detection result of the encoder extension line 200 can be displayed, visualization is realized, and a user can know the detection result conveniently.
The foregoing solution mentions that the determining unit 303 of the PLC module 300 can determine the conducting state of the encoder extension line 200 according to the output signal of the driver 100, and in particular, referring to fig. 4, the determining unit 303 is a structural block diagram of the determining unit, and includes:
a first determining subunit 3031, configured to determine that the encoder extension line 200 is turned on when the output signal corresponds to an input signal of the driver 100 at an input end of the encoder extension line 200;
a second judgment sub-unit 3032, configured to judge that the encoder extension line 200 fails when the output signal does not correspond to the input signal of the driver 100 at the input end of the encoder extension line 200;
in the second determining subunit 3032, when the driver 100 at the output end of the encoder extension line 200 does not acquire the output signal, it determines that the encoder extension line 200 is short-circuited.
The conducting state of the encoder extension line 200 can be correspondingly determined according to whether the output signal and the input signal of the driver 100 at the two ends of the encoder extension line 200 correspond to each other, and the specific implementation process of the determining unit 303 in the present application is described in detail in the foregoing method steps, and therefore is not described herein again.
The system adopts a wireless method, the drivers of the two cage direct drive motors which cannot be directly linked are linked in the same local area network, and the motion control is realized by an application program written by an upper computer C # and by utilizing a ModbusTCP communication protocol.
In order to realize the detection of the batch of encoder extension lines, in the embodiment of the present application, the apparatus further includes a setting unit 304, configured to preset the number of the encoder extension lines 200 to be detected, the detection order of the encoder extension lines 200, and the input control signals of different encoder extension lines 200.
In specific implementation, the number and detection order of the encoder extension lines 200 and the input control signals of different encoder extension lines 200 are set by the setting unit 304 in the PLC module 300, and can be set according to the number of the encoder extension lines 200 in specific implementation.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A method for detecting an extension line of an encoder, comprising:
connecting two ends of the extension line of the encoder with the interfaces of the corresponding drivers respectively;
inputting a control signal to a driver at the input end of the extension line of the encoder;
receiving an output signal of the driver at an output end of the encoder extension line;
and judging the conduction state of the extension line of the encoder according to the output signal of the driver at the output end of the extension line of the encoder.
2. The method for detecting an extended encoder line according to claim 1, further comprising:
and correspondingly displaying the conducting state of the extension line of the encoder based on the acquired output signal of the driver at the output end of the extension line of the encoder.
3. The method of claim 1, wherein determining the on state of the encoder extension line based on the output signal of the driver at the output of the encoder extension line comprises:
when the output signal corresponds to the input signal of the driver at the input end of the encoder extension line, judging that the encoder extension line is conducted;
and when the output signal does not correspond to the input signal of the driver at the input end of the extension line of the encoder, judging that the extension line of the encoder has a fault.
4. The method of claim 3, wherein when the output signal does not correspond to an input signal of a driver at an input of the encoder extension, the method of determining that the encoder extension has failed further comprises:
and when the driver at the output end of the extension line of the encoder does not acquire the output signal, judging that the extension line of the encoder is short-circuited.
5. The method for detecting an extended encoder line according to claim 1, further comprising:
and after the detection of one encoder extension line is finished, continuing to detect the next encoder extension line.
6. The method for detecting an extended encoder line according to claim 5, further comprising:
the number of the encoder extension lines to be detected and the detection sequence of the encoder extension lines are preset.
7. A detection system for an encoder extension cord, comprising:
the two drivers are respectively connected with the two ends of the extension line of the encoder;
the PLC control module is connected with the two drivers;
the PLC control module comprises a PLC control module and a PLC control module,
the control signal sending unit is used for inputting a control signal to a driver at the input end of the extension line of the encoder;
a signal receiving unit for receiving an output signal of the driver at an output end of the encoder extension line;
and the judging unit is used for judging the conduction state of the extension line of the encoder according to the output signal of the driver at the output end of the extension line of the encoder.
8. The encoder extension detection system of claim 7, further comprising:
and the display module is connected with the PLC control module and used for correspondingly displaying the conduction state of the extension line of the encoder based on the acquired output signal of the driver at the output end of the extension line of the encoder.
9. The encoder extension line detection system of claim 7, wherein the judgment unit comprises:
the first judgment subunit is used for judging that the extension line of the encoder is conducted when the output signal corresponds to the input signal of the driver at the input end of the extension line of the encoder;
the second judgment subunit is used for judging that the extension line of the encoder has a fault when the output signal does not correspond to the input signal of the driver at the input end of the extension line of the encoder;
in the second judging subunit, when the driver at the output end of the extension line of the encoder does not acquire the output signal, the short circuit of the extension line of the encoder is judged.
10. The encoder extension detection system of claim 7, wherein the PLC module further comprises:
and the setting unit is used for presetting the number of the encoder extension lines to be detected and the detection sequence of the encoder extension lines.
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| CN202110314192.3A CN112986864A (en) | 2021-03-24 | 2021-03-24 | Method and system for detecting extension line of encoder |
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| CN202110314192.3A CN112986864A (en) | 2021-03-24 | 2021-03-24 | Method and system for detecting extension line of encoder |
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Application publication date: 20210618 |